IB Physics: Einstein's 2 Postulates of Special Relativity

Explains Einstein's two postulates of the special theory of relativity, and shows how they lead to the concept of spacetime. An optional proof of the time dilation equation is provided.
IB Physics Option A.1
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Table of Contents

00:00 Introduction
00:14 Two Innocent Postulates
00:39 Postulate 1
01:30 Laws of Physics are the same.
03:46 Postulate 2
05:11 Light versus Baseballs
07:18 How is it possible?
10:04 Faster through Space,slower through time
10:46 Correct Time?
12:47 Time Dilation Derivation
17:42 Summary

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